FIELD: hydraulic building, particularly fish-passes for passing fish through support structures to spawning and growth zones.
SUBSTANCE: fish-pass includes fish passageway connecting upper and lower pools of hydrosystem, flow energy absorber arranged inside fish passageway and made as flexible endless strips located along longitudinal axis of fish passageway. Endless strips are supported by tension guide pulleys and may be moved by driving means so that channel is formed between strips. Fish-pass also has roughened members and guiding walls located parallel to along longitudinal axis of fish passageway. Guide pulleys are disposed in depressions formed in side walls of fish passageway and are buried inside said depressions. Roughened members are fixedly connected to outer surfaces of flexible endless strips. Feed pulleys of flexible endless strips are connected to driving means.
EFFECT: creation of favorable hydraulic conditions for passing fish through fish passageway with minimum energy.
33 cl, 39 dwg
Title | Year | Author | Number |
---|---|---|---|
FISH PASS | 2004 |
|
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METHOD TO CONTROL MODES OF FISH PASSING THROUGH FISH CONDUIT | 2003 |
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RU2310715C2 |
FISH PASS | 2004 |
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RU2260651C1 |
FISH PASS | 2005 |
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RU2299290C2 |
FISH PASS | 2003 |
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RU2245425C1 |
FISH PASS | 2004 |
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RU2274703C1 |
METHOD OF FORMING HYDRAULIC RESISTANCE LENGTHWISE FISH CONDUIT AND FISH PASS IMPLEMENTING THE METHOD | 2003 |
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|
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Authors
Dates
2004-08-20—Published
2003-04-25—Filed